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Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 2557303410

Certificate GIA 2557303410

Diamond specifications and retailer prices

From $2,086 USD
HK$16,300 HKD
As of November 1, 2026
Save $2,674 USD (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,760 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557303410. Listed at 15 retailers as of November 1, 2026, with prices from $2,086 to $4,760, a $2,674 spread on the same certified stone. MOH London lists it at $4,760. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
J
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557303410
Dimensions7.53 × 6.01 × 4.14 mm
L/W Ratio1.25
Girdle conditionFaceted
Top View
7.53 mm6.01 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557303410
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $4,760 USD|Low: $2,086 USD|High: $5,009 USD|Avg: $3,027 USD|-4.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 14$2,086 USD
Retailer 11$2,313 USD
Retailer 9$2,314 USD
Retailer 4$2,351 USD
Retailer 13$2,451 USD
Retailer 6$2,582 USD
Retailer 12$2,610 USD
Retailer 8$2,630 USD
Retailer 2$2,736 USD
Retailer 3$2,874 USD
Retailer 10$2,958 USD
Retailer 7$3,238 USD
Retailer 5$4,568 USD
MOH London$4,760 USD

25 data points across 14 retailers

15 retailers$2,086 USD to $4,760 USD

A
Cheapest Retailer
-
$2,086 USD
HK$16,300 HKD
A
Retailer 2
-
$2,313 USD
View
A
Retailer 3
-
$2,314 USD
View
Final sale: no returns
A
Retailer 4
-
$2,351 USD
View
A
Retailer 5
-
$2,451 USD
View
A
Retailer 6
-
$2,582 USD
View
A
Retailer 7
-
$2,610 USD
View
A
Retailer 8
-
$2,630 USD
View
A
Retailer 9
-
$2,736 USD
£2,154 GBP
View
A
Retailer 10
-
$2,874 USD
View
A
Retailer 11
-
$2,958 USD
£2,329 GBP
View
B+
Retailer 12
-
$3,210 USD
A$4,938 AUD
View
B+
Retailer 13
-
$3,238 USD
€3,084 EUR
View
Retailer 14
-
$4,568 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
MOH London
847DD2A5B · Nov 1
$4,760 USD
£3,748 GBP
View
14 more retailers have this diamond
Prices start from $2,086 USDSave up to $2,674 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Cushion
$2,086 USD